| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method which stably produces a porous body of perovskite-type oxide which has a uniform pore size, large specific surface area and large pore volume, in particular, a porous body of perovskite-type oxide which has crystallinity. <P>SOLUTION: The method for producing a porous body of perovskite-type oxide includes a process (a) in which a perovskite-type oxide precursor is subjected to a sol-gel reaction in the presence of poly(meth)acrylic ester polymer particles having a specific average particle size; a process (b) in which the reactant solution thus obtained is dried to complete the sol-gel reaction to gain an organic-inorganic composite; and a process (c) in which the polymer particles are removed, and the perovskite-type oxide precursor on the pore wall is crystallized to prepare the porous body of the perovskite-type oxide whose pore size is larger than the size of the crystallite of the perovskite-type oxide on the pore wall and which has a particular specific surface area and void fraction. <P>COPYRIGHT: (C)2013,JPO&INPIT |
